If the airport dataset were more volatile, too large to reasonably store locally, or simply not available as a single download, I'd be far more inclined to request it remotely.
如果机场数据集不稳定，并且太大不便本地存储，或者不能单独下载，那么我会更倾向于远程地请求它。
2
Unlike batteries, which simply store energy, fuel cells actually generate it from volatile stuff such as hydrogen or methanol.
与仅可储存电量的普通电池不同，燃料电池可以通过诸如氢、烷等挥发性物体产生电能。
3
Methods: Making use of large capacity and non - volatile memory store digital information about physiologic signal.